Faithfull FAISDSBOXCUT SDS Plus Circular CutterThis TCT cutter bit is designed for use with Faithfull box cutters to create recesses for electrical back boxes in blockwork and brick walls. It cuts 77mm round holes in block, soft brick, and concrete, saving time and labour on electrical installations.Features Cuts 77mm round holes for single or double electrical back boxes. Precision machined cutting edges for efficient cutting. Designed for use with 2kg SDS Plus rotary hammer drills with a rotation stop function.Specifications Brand: Faithfull MPN: FAISDSBOXCUT EAN: 5023969306131 Cutter Bit Size: 77mm